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Eared Grebe

Podiceps nigricollis

General Status Rank:

Undetermined

ELCODE:

ABNCA03030

Common Name:

Eared Grebe

Scientific Name:

Podiceps nigricollis

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Taxonomy

Group:

Bird

Kingdom:

Animalia

Phylum:

Chordata

Class:

Aves

Order:

Podicipediformes

Family:

Podicipedidae

References:

General Biology

Economic/Human Considerations

none

Habitat

shallow, marshy ponds and lakes

References:

Distribution

Ecozones

Taiga Plains, Taiga Shield

References:

Distribution

sporadic occurrence

References:

Winter Distribution Description:

southern Canada to South America

Number of Occurrences

sporadic occurrence (MAF3) One individual occurrence from eBird on May 15, 2014 on the west channel of Great Slave Lake (W113) Eared Grebes at Caen Lake successfully nested there! Back in July I saw four adults and assumed they were non-breeders, but this last trip there was one adult with a chick (July 2016 D Tate e-bird /S31137208) (H327)

Score:

A

References:

Historical Distribution

vagrant?

References:

Area of Occupancy

unknown

Score:

-

References:

Population

Population Size

very low

References:

Density

usually colonial but probably single pairs in NWT

Trends

Trends

National trends indicate decline overall;

References:

Threats

Threats

ice-storms during migration, oil spills and other pollutants on wintering areas, loss of habitat in southern portions of range, unknown threats in NWT

References:

Intrinsic Vulnerability

habitat in NWT unknown

Score:

-

References:

General Status Rank

Rank:

Undetermined

Status Rank Description:

breeding evidence in 2016

S Rank:

SNA

Decision Process Description:

Drafted by Committee, Vicky Jonhston, Leslie Wakelyn, Suzanne Carriere, Jim Hines, Mike Fournier in 2000. Reviewed in 2005 by J. Hines and C. Swoboda, no change in status; Reviewed in 2010;no change ; Reviewed by Ian Fife and Cindy Wood CWS in 2015, no change ; Reviewed by Ian Fife and Cindy Wood CWS in 2015, no change; modified from vagrant to undetermined (new information) (SC)

Last Updated:

August 22, 2016

References

Area of Occupancy

Carrière, S. (2000) Pers. communication. Ecosystem Management Biologist; RWED - H126 Return
Downes, C.M., E.H. Dunn and C.M Francis (2000) Canadian Landbird Monitoring Strategy: monitoring needs and priorities into the new millenium.. Partners in Flight - Canada A 9-15 EC-CWS, Yellowknife (L. Wakelyn) - or communicate with Erica H. Dunn, CWS in Hull, QC, at erica.dunn@ec,gc,ca - LWR01 Return
Sirois, J. and D. McRae (1996) The birds of the Northwest Territories. Canadian Wildlife Service Second Edition - MAF3 Return

Ecozones

Sirois, J. and D. McRae (1996) The birds of the Northwest Territories. Canadian Wildlife Service Second Edition - MAF3 Return

Habitat

Godfrey WE (1986) The Birds of Canada. National Museums of Canada Revised Edition RWED Library Call #QL685.G6 - B004 Return
Fournier M.A. (1999) Personal Communication. - H108 Return

Historical Distribution

Fournier M.A. (1999) Personal Communication. - H108 Return

Intrinsic Vulnerability

Godfrey WE (1986) The Birds of Canada. National Museums of Canada Revised Edition RWED Library Call #QL685.G6 - B004 Return
Carrière, S. (2000) Pers. communication. Ecosystem Management Biologist; RWED - H126 Return
Bromley RG (2000) Pers. communication. Whole Arctic Consulting, Yellowknife - H128 Return

NWT Known Subspecies

American Ornithologists' Union (1998) Check-List of North American Birds. A.O.U. Seventh Edition - MAF6 Return

Number of Occurrences

Sirois, J. and D. McRae (1996) The birds of the Northwest Territories. Canadian Wildlife Service Second Edition - MAF3 Return
Audubon and Cornell Lab of Ornithology and Bird Studies Canada (2015) http://ebird.org/content/canada/ - W113 Return
Tate D (2016) e-copy DIIMS - H327 Return

Population Size

Fournier M.A. (1999) Personal Communication. - H108 Return

Range Extent

Sirois, J. and D. McRae (1996) The birds of the Northwest Territories. Canadian Wildlife Service Second Edition - MAF3 Return

Short Term Trends

Carrière, S. (2000) Pers. communication. Ecosystem Management Biologist; RWED - H126 Return
Downes, C.M., E.H. Dunn and C.M Francis (2000) Canadian Landbird Monitoring Strategy: monitoring needs and priorities into the new millenium.. Partners in Flight - Canada A 9-15 EC-CWS, Yellowknife (L. Wakelyn) - or communicate with Erica H. Dunn, CWS in Hull, QC, at erica.dunn@ec,gc,ca - LWR01 Return
Sirois, J. and D. McRae (1996) The birds of the Northwest Territories. Canadian Wildlife Service Second Edition - MAF3 Return

Taxonomy

Godfrey WE (1986) The Birds of Canada. National Museums of Canada Revised Edition RWED Library Call #QL685.G6 - B004 Return

Threats

Godfrey WE (1986) The Birds of Canada. National Museums of Canada Revised Edition RWED Library Call #QL685.G6 - B004 Return
Carrière, S. (2000) Pers. communication. Ecosystem Management Biologist; RWED - H126 Return
Bromley RG (2000) Pers. communication. Whole Arctic Consulting, Yellowknife - H128 Return